20072465522 has 54 divisors (see below), whose sum is σ = 32836366029. Its totient is φ = 9200623040.

The previous prime is 20072465521. The next prime is 20072465531. The reversal of 20072465522 is 22556427002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18370820521 + 1701645001 = 135539^2 + 41251^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=100181.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20072465521) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 241836893 + ... + 241836975.

Almost surely, 2^20072465522 is an apocalyptic number.

20072465522 is a deficient number, since it is larger than the sum of its proper divisors (12763900507).

20072465522 is an frugal number, since it uses more digits than its factorization.

20072465522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 20072465522 in words is "twenty billion, seventy-two million, four hundred sixty-five thousand, five hundred twenty-two".